Outlook & Exchange permissions

Please see this MS article.
https://docs.microsoft.com/en-us/exchange/troubleshoot/distribution-groups/no-sufficient-permissions-moving-dg

If the above will not help you, right-click on the group and convert it to Universal Group.

Share the error screenshot.

The are all set as Universal Groups.

I want Administrator's Group to have permission to change membership for groups listed in Outlook 2010.

I attached the error below. It wouldn't emb
permission.JPG

I went thru this article, it is not making much sense to me because I'm not that versed in permission. What group must I change to allow administrator's to make changes ?  Can you explain it any easier ?  I apoligize for my ingnorance, I am new to Server 2016.

Mark H.

Yes, Those admins are apart of Domain Admin Group.

Mark H.

This issue occurs if you're not a manager of the group. In this situation, you're not listed in the ManagedBy attribute.

Use Exchange Online PowerShell or the Exchange Management ShellImportantYou have to be an Exchange Online admin, an Exchange admin, or a member of the "Security Group Creation and Membership" role in the Exchange admin center to perform this procedure.

As described in the link I provided. Have you checked it already?
https://docs.microsoft.com/en-us/exchange/troubleshoot/distribution-groups/no-sufficient-permissions-moving-dg

Thanks Guys, all your help is appreciated.

Mark H.